<template>
  <div class="about">
    <h2>大家好，欢迎来到尚硅谷直播间</h2>
  </div>
</template>

<script lang="ts" setup name="About">

import {onMounted, onUnmounted} from "vue";

onMounted(() => {
  console.log('about组件挂载了')
})
onUnmounted(() => {
  console.log('about组件卸载了')
})

</script>
<style>
  .about {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    color: rgb(85,84,84);
    font-size: 18px;
  }
</style>